UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 381

• Manufacturer Part Number: UPD78F0413GA-GAM-AX
• Description: 8BIT UC, 32K FLASH, 1KB RAM, LCD
• Manufacturer: NEC

Specifications of UPD78F0413GA-GAM-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 30
• Ram Memory Size: 1024Byte
• Cpu Speed: 10MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 32KB
• Oscillator Type: External, Internal

Symbol
Address: FFB1H
LCDM
(2)
Other than above
LCD display mode register (LCDM)
LCDM specifies whether to enable display operation.
pin/common pin output, gate booster circuit control, and the display mode.
LCDM is set using a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets LCDM to 00H.
(Note and Caution are listed on the next page.)
LCDON
LCDON
SCOC
VAON
LCDM2
<7>
0
1
0
1
0
1
1
0
0
0
0
1
After reset:
Display off (all segment outputs are deselected.)
Display on
Output ground level to segment/common pin
Output deselect level to segment pin and LCD waveform to common pin
No gate voltage boosting
Gate voltage boosting
SCOC
<6>
LCDM1
00H
1
0
0
1
1
0
Figure 15-3. Format of LCD Display Mode Register
R/W
CHAPTER 15 LCD CONTROLLER/DRIVER
5
0
LCDM0
1
0
1
0
1
0
User’s Manual U18698EJ1V0UD
Segment pin/common pin output control
VAON
Gate booster circuit control
<4>
8
4
3
2
3
Static
Setting prohibited
LCD display enable/disable
Number of time slices
LCD controller/driver display mode selection
3
0
It also specifies whether to enable segment
Resistance division method
Notes 1, 2
LCDM2
2
Note 1
1/4
1/3
1/3
1/2
1/2
Note 3
LCDM1
1
Bias mode
LCDM0
0
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